 |
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
|
|
galactic nucleus
The small, bright, central part of a galaxy. If the nucleus gives off considerably more energy than can be accounted for by its stellar contents, it is said to be an active galactic nucleus (AGN). For details of our own galactic nucleus, see Milky Way Galaxy.
Related category
• GALAXIES
Also on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History
Transport Concepts & Designs (partner site)